# nLab abstract scattering theory

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## Surveys, textbooks and lecture notes

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• Axiomatizations

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• Tools

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• Structural phenomena

• Types of quantum field thories

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• examples

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# Contents

## Idea

In quantum mechanics based on a Hilbert space $H$ wth quantum evolution semigroup of unitary operators $U(t)$, $t\in \mathbf{R}$, Lax and Phillips formulated an abstract formulation of scattering theory, based on two distinguished subspaces of states $\mathcal{D}_-$ of ingoing states and $\mathcal{D}_+$ of outgoing states satisfying certain system of axioms.

Apart from quantum mechanics, abstract scattering theory has other interesting special cases, applying to the theory of automorphic functions (due to an idea of Israel Gelfand, later realized by B. S. Pavlov and L. D. Faddeev), zeta function analysis and so on.

## References

• Peter D. Lax, Ralph S. Phillips, Scattering theory, Bull. Amer. Math. Soc. Volume 70, Number 1 (1964), 130-142 euclid MR0167868; Scattering theory (book), Academic Press 1990, 2nd ed. gBooks; Scattering theory for automorphic functions, Annals of Mathematics Studies 87, Princeton Univ. Press 1976

• B. S. Pavlov, L. D. Faddeev, Scattering theory and automorphic functions, Zapiski Sem. LOMI 27 (1972) 161-193

Extension of the method which Lax and Phillips used for automorphic forms ($SL(2,\mathbf{R})$-case) to the case of more general harmonic analysis on more general Riemannian symmetric spaces is studied in

• M. A. Semenov-Tian-Shansky?, Harmonic analysis on Riemannian symmetric spaces of negative curvature and the scattering theory, Izvestiya Akademii Nauk USSR 40:3 (1976) 562-592
category: physics

Last revised on September 13, 2017 at 11:28:13. See the history of this page for a list of all contributions to it.